1992 में किस संधि पर हस्ताक्षर के साथ आधिकारिक रूप से यूरोपीय संघ (European Union) की स्थापना हुई थी?

Which Indian independence movement leader was primarily known for his philosophy and practice of non-violent civil disobedience?

Who gave the call for 'Do or Die' during the Quit India Movement in 1942?